Greatest Common Factor of 20, 55, 3

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 20, 55, 3 by common division method
• Greatest Common Factor of 20, 55, 3 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

Greatest Common Factor

We found the factors 20,55,3 . The biggest common factor number is the GCF number.
So the greatest common factor 20,55,3 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 62, 87, 1
• GCF of 68, 61, 5
• GCF of 45, 93, 1
• GCF of 88, 76, 2
• GCF of 34, 47, 7

1. What is the GCF of 20, 55, 3?

Answer: GCF of 20, 55, 3 is 1.

2. How to Find the GCF of 20, 55, 3

Answer: Greatest Common Factor(GCF) of 20, 55, 3 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(20, 55, 3) = 1.